Home / 946,137.72-1,419,833.38-519,971.16

Finding the Fourth Proportional to 946,137.72, 1,419,833.38 and 519,971.16

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Solution

The fourth proportional to 946,137.72, 1,419,833.38 and 519,971.16 is: 780,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,137.72 : 1,419,833.38 = 519,971.16 : x
  2. Step 2: Convert to fraction form
    946,137.72/1,419,833.38 = 519,971.16/x
  3. Step 3: Cross multiply
    946,137.72x = 1,419,833.38 × 519,971.16
  4. Step 4: Simplify right side
    946,137.72x = 738,272,409,605.32
  5. Step 5: Solve for x
    x = 738,272,409,605.32/946,137.72
  6. Step 6: Final answer
    x = 780,301.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.